Verified government source

NHTSA complaint #11736808

This page summarizes an official U.S. National Highway Traffic Safety Administration owner complaint. Use the verification links below to confirm the record directly with NHTSA.

Vehicle

2023 MITSUBISHI OUTLANDER

Manufacturer

Mitsubishi Motors North America, Inc.

Components

ENGINE

Dates

Incident: 04/17/2026
Filed: 05/09/2026

Owner complaint summary

What component or system failed or malfunctioned, and is it available for inspection upon request? The vehicle experienced an apparent engine failure involving the engine cooling system and possible head gasket and/or engine damage. Prior to failure, the vehicle had a strong sweet coolant smell and was later diagnosed by the servicing dealership as having a coolant leak and possible engine-related damage requiring engine replacement. The vehicle is currently located and available for inspection at Don Herring Mitsubishi. How was your safety or the safety of others put at risk? While driving after leaving the dealership, the vehicle began jerking, hesitating during acceleration, and losing power unexpectedly. A flashing check engine light briefly appeared and disappeared. The sudden loss of normal engine performance created a serious safety hazard because the vehicle could have stalled in traffic, increasing the risk of an accident or collision. I also have eight children, including [XXX] twins, and the loss of transportation has prevented me from reliably getting my children to school, medical appointments, and obtaining necessities. Has the problem been reproduced or confirmed by a dealer or independent service center? Yes. Don Herring Mitsubishi inspected the vehicle and identified a coolant leak and possible major engine damage. The dealership advised that the engine may need replacement. The warranty company, CNA Extended Warranty, stated the dealership’s submitted notes referenced a blown head gasket and requested further teardown and inspection before approving repairs. The vehicle remains unrepaired while awaiting further action and/or engine replacement. Has the vehicle or component been inspected by the manufacturer, police, insurance representatives or others? The vehicle has been inspected by Don Herring Mitsubishi and reviewed through CNA Extended Warranty as part of the repair claim process. Prior to the failure, the vehicle was also inspected on Marc INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

This is an owner complaint filed with NHTSA (ODI #11736808). It is not automatically an official recall, investigation outcome, or manufacturer admission unless the complaint text itself describes one.

Official record ID (ODI): 11736808. This page is the human-readable source link used across afterwarranty. The raw JSON link proxies NHTSA's public API for machine verification; prefer this page when reading the complaint.